1. Tran, A. V., and Chambers, R. P. (1987),Biotech. Bioeng. 29, 343.
2. Ledingham, G. A., and Neish, A. C. (1954), inIndustrial Fermentations, vol. 2, Underkofler, L. A., and Hickey, R. J., eds., Chemical, New York.
3. Long, S. K., and Patrick, R. (1963), inAdvances in Applied Microbiology, Umbreit, W. W., ed., Academic, New York.
4. Yu, E. K. C, and Saddler, J. N. (1982),Biotechnol. Lett. 4, 121.
5. Speckman, R. A., and Collins, E. B. (1982),Appl. Environ. Microbiol. 43, 1216.